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Firewall & Security

Commercial and opensource firewall documentations here

Threat Prevention Cyber Attacks Dashboard Template

Check Point Firewalls Operation

If you have Anti-Bot, Anti-Virus, IPS, Threat Emulation Blades active and a SmartLog License, you're maybe interested to see the following Dashboard:   Description and Download of the Template here: https://community.checkpoint.com/community/management...

Check Point Blade
Threat Prevention
Check Point Version
R80.x

Links & Tools

Fortigate Firewalls

Storage

Linux

Hardware

Linux

Terraform

Automation

Design

F5 BIG-IP ADC

Operation

F5 BIG-IP ADC

Troubleshooting

F5 BIG-IP ADC

Links & Tools

F5 BIG-IP ADC

PostgreSQL - Operation

Databases

Useful CLI Commands Check Point

Check Point Firewalls Operation

Cheatsheets Check Point CLI Reference Card (https://www.roesen.org/files/cp_cli_ref_card.pdf) FW Monitor (https://www.roesen.org/files/fw_monitor.pdf) R80 Cheat Sheet FW-Monitor (https://www.ankenbrand24.de/index.php/articles/check-point-articel/cheat-she...

Check Point Product
Gateway
Check Point Product
Management
Scripting
Check Point Product
VSX
VPN
Operation

Useful Smartlog Queries

Check Point Firewalls Operation

Generic Queries Research SmartLog Query Search for E-Mail SubjectNote: Search without quotation marks and wildcard works for email_subject email_subject:*TEXT* Application Control Proxy Log blade:"Application Control" AND appi_name:"Web Surfen" AND...

Check Point Product
SmartLog
Check Point Version
R80.x

Useful SNMP OIDs (VSX)

Check Point Firewalls Operation

Check Point and SNMP Monitoring for a Firewall is important, you need to make sure that you see the baseline of your environment and that you can see when some value will go up too high. The following guide is showing some of the most used SNMP OID for monit...

SNMP
Check Point Product
VSX
Scripting
Check Point Version
R80.x

Threat Prevention API

Check Point Firewalls Operation

Threat Prevention APIs Take control of the Threat Prevention APIs powered by the largest Threat Cloud in the industry URL Reputation – for a domain/URL returns the classification and risk in accessing the resourceFile Reputation – for a file digest (md5/sha1...

Check Point Blade
Threat Prevention
Cloud

DOS & DDOS Prevention, Mitigation

Check Point Firewalls Operation

Preface Since R80.20 DOS/DDOS Prevention changed in Check Point.The following is a summary how you can setup and mitigate DOS & DDOS attacks. SYN Defender since R80.20 Important changes in IPS "SYN Attack" (SYN Defender) protection for R80.20 and above ...

Check Point Blade
Threat Prevention
Check Point Version
R80.20

Operation

Fortigate Firewalls

Network Ports used for communication

Check Point Firewalls Design

Introduction This drawing should give you an overview of the used R80 and R77 ports respectively communication flows. It should give you an overview of how different Check Point modules communicate with each other. Furthermore, services that are used for fire...

Check Point Version
R80.x
Check Point Version
R77.x

Export Syslog Messages

Check Point Firewalls Operation

Export Syslog Messages How to export syslog messages from Gaia Security Gateway to a Log Server and view them in SmartView Tracker https://supportcenter.checkpoint.com/supportcenter/portal?action=portlets.SearchResultMainAction&eventSubmit_doGoviewsoluti...

Check Point Version
R80.x

Missing feature - Global search across multiple CMA

Check Point Firewalls Operation

Preface Before R80.x in a MDM (Multi Domain Management) you could do a search where an object is used in all the CMA's.Until now (R80.30) this feature is not included in SmartConsole anymore. Script solution https://github.com/WadesWeaponShed/Global-IP-Sea...

Check Point Version
R80.x
Check Point Product
VSX
Scripting

Show logging using the web interface

Check Point Firewalls Operation

If you need to view Logs over the Web in Check Point you can use SmartView. Available since R80 but not enabled per default. In R80.10 it is enabled per default and you can access it with your SmartConsole Credentials. It looks like this in the Browser: A...

Check Point Version
R80.x
Check Point Product
SmartView

Managing partition sizes via LVM manager on Gaia OS

Check Point Firewalls Operation

Partition Resize Since R77.30 lvm_manager is included in Gaia OS and can be used to resize logical volumes on the system. Check Managing partition sizes via LVM manager on Gaia OS (sk95566) for more information. Partition Sizes when installing Gaia OS When...

Check Point Product
Gaia OS
Storage
Check Point Version
R77.30

SmartConsole cli parameters

Check Point Firewalls Operation

In R77.30 you could use command line parameters to specify username/password like this: FwPolicy.exe connect %Hostname% %Username% Since R80.10 you need to do the following: SmartConsole.exe -p SmartConsole.LoginParams Here is the SmartConsole.LoginParams ...

Scripting
Check Point Product
SmartConsole

Jump to Rule Number or UID

Check Point Firewalls Operation

In R80.10 you can jump directly to a rule number or a rule-UID. With Ctrl-G you get the following: You can copy the UID from a rule: Or search for an rule-UID: Perfect to use in documentations, just use the rule-UID or sometimes I also use the <FW...

Check Point Product
SmartConsole
Check Point Version
R80.x

SmartConsole: Clear disconnected sessions

Check Point Firewalls Operation

Howto clear disconnected sessions If several SmartConsole disconnected (stale) sessions that cannot be discarded, see this here: https://community.checkpoint.com/t5/General-Management-Topics/clear-disconnected-sessions/td-p/33027 Postgresql Queries View p...

Check Point Product
SmartConsole
Check Point Version
R80.x

After policy install: UDP packet that belongs to an old session drops

Check Point Firewalls Troubleshooting

Problem description At the customer site we have a rule which allows a WLAN Controller to connect to the RADIUS Server in another network.After installing the rules, the UDP connections were rematched because it is the needed global Setting on this Firewall. ...

Check Point Version
R80.x
Check Point Product
SmartConsole

How to copy a file from a Check Point firewall

Check Point Firewalls Troubleshooting

For troubleshooting you need sometime to transfer files from a Check Point firewal, as example tcpdump files etc.With the admin user it is not possible to login with sftp, the shell for the user is set to /etc/cli.sh. For a temporary access to the sftp featur...

Check Point Version
R80.x
Scripting

CPView Utility and High Load Traffic

Check Point Firewalls Troubleshooting

If you have the situation and a fw has a high load on traffic sometimes you need tools to figure it out what causes the resulting high cpu load etc. A great tool to use is Check Point's CPView: https://community.checkpoint.com/videos/5977-the-cpview-utility ...

Check Point Product
Gateway
Check Point Version
R80.x

IPS Troubleshooting

Check Point Firewalls Troubleshooting

IPS Profile and Detect Mode When you run the IPS recommended profile, most of the critical and high signatures are in inactive or detect mode.But still there could be a high cpu performance impact even when you're only in detect mode. In prevent mode you kil...

Check Point Blade
IPS
Check Point Version
R80.x

Limitation of 251 Inline Layers

Check Point Firewalls Troubleshooting

Problem Policy push fails with the following error: Policy installation failed on gateway. If the problem persists contact Check Point support (Error code: 2000232) Cause The user has configured too many policy layers in the rulebase (a layer is either an O...

Check Point Product
SmartConsole
Check Point Version
R80.x

Troubleshooting

Fortigate Firewalls

Design

Fortigate Firewalls

Container & Virtualization

OS-level virtualization is an operating system paradigm in which the kernel allows the existence of multiple isolated user space instances. Such instances, called containers (LXC, Solaris containers, Docker), Zones (Solaris containers), virtual private server...

Application Knowledge

During my work with different applications I found some tricks and hints how to work with them. This is the collection I put together with the knowledge about it.

Application Delivery Controllers (ADC)

An application delivery controller (ADC) is a computer network device in a datacenter, often part of an application delivery network (ADN), that helps perform common tasks, such as those done by web accelerators to remove load from the web servers themselves. ...

Operating System

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

Application

Application software, computer software designed to help the user to perform specific tasks.

Networking

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes.

Automation & Orchestration

In system administration, orchestration is the automated configuration, coordination, and management of computer systems and software.

Databases

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques.

Check Point Firewalls

Products & Firewall from https://checkpoint.com

Networking

Fortigate Firewalls

All about Fortinet, Firewall and other stuff of the daily work with the products.

Linux

Automation

F5 BIG-IP ADC

F5 BIG-IP Application Delivery Controller

Databases

MongoDB, PostgreSQL, MariaDB, MySQL...

pfSense

pfSense Firewall

Links & Tools

Networking

Altipeak

Keycloak

McAfee

McAfee products like Web Gateway

Microsoft

Univention

Univention Corporate Server (UCS) https://www.univention.com

Ubiquiti Network

Ubiquiti Network Equipment

Kubernetes

Design

Check Point Firewalls

Design

Operation

Check Point Firewalls

Operation

Troubleshooting

Check Point Firewalls

Troubleshooting

Links & Tools

Check Point Firewalls

IPv6

Networking

IPv4

Networking

Routing

Networking

BGP figure out networks belonging to AS

Networking Routing

BGP List prefixes To list all prefixes originated on AS1759 against the Routing Assets Database (RADb), issue the command below. whois -h whois.radb.net -- '-i origin AS1759' | grep -Eo "(route:|route6:).*" route:      139.157.0.0/16 route:      147.44.0.0...

Routing Protocol
BGP